Update VMware tools and VBox Additions

scripts/vm-guest-tools.bat

@@ -18,7 +18,7 @@ if exist "C:\Users\vagrant\windows.iso" (
 )
 
 if not exist "C:\Windows\Temp\windows.iso" (
-    powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://softwareupdate.vmware.com/cds/vmw-desktop/ws/14.1.3/9474260/windows/packages/tools-windows.tar', 'C:\Windows\Temp\vmware-tools.tar')" <NUL
+    powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://softwareupdate.vmware.com/cds/vmw-desktop/ws/15.0.0/10134415/windows/packages/tools-windows.tar', 'C:\Windows\Temp\vmware-tools.tar')" <NUL
     cmd /c ""C:\Program Files\7-Zip\7z.exe" x C:\Windows\Temp\vmware-tools.tar -oC:\Windows\Temp"
     FOR /r "C:\Windows\Temp" %%a in (VMware-tools-windows-*.iso) DO REN "%%~a" "windows.iso"
     rd /S /Q "C:\Program Files (x86)\VMWare"
@@ -39,7 +39,7 @@ if exist "C:\Users\vagrant\VBoxGuestAdditions.iso" (
 )
 
 if not exist "C:\Windows\Temp\VBoxGuestAdditions.iso" (
-    powershell -Command "(New-Object System.Net.WebClient).DownloadFile('http://download.virtualbox.org/virtualbox/5.2.16/VBoxGuestAdditions_5.2.16.iso', 'C:\Windows\Temp\VBoxGuestAdditions.iso')" <NUL
+    powershell -Command "(New-Object System.Net.WebClient).DownloadFile('http://download.virtualbox.org/virtualbox/5.2.18/VBoxGuestAdditions_5.2.18.iso', 'C:\Windows\Temp\VBoxGuestAdditions.iso')" <NUL
 )
 
 cmd /c ""C:\Program Files\7-Zip\7z.exe" x C:\Windows\Temp\VBoxGuestAdditions.iso -oC:\Windows\Temp\virtualbox"